CVE-2016-10027

5.9 MEDIUM
Published: January 12, 2017 Modified: May 06, 2026
View on NVD

Description

Race condition in the XMPP library in Smack before 4.1.9, when the SecurityMode.required TLS setting has been set, allows man-in-the-middle attackers to bypass TLS protections and trigger use of cleartext for client authentication by stripping the "starttls" feature from a server response.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/22/12
Source: cve@mitre.org
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/95129
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://community.igniterealtime.org/blogs/ignite/2016/11/22/smack-security-advisory-2016-11-22
Source: cve@mitre.org
Vendor Advisory
https://github.com/igniterealtime/Smack/commit/059ee99ba0d5ff7758829acf5a9aeede09ec820b
Source: cve@mitre.org
Patch Third Party Advisory
https://github.com/igniterealtime/Smack/commit/a9d5cd4a611f47123f9561bc5a81a4555fe7cb04
Source: cve@mitre.org
Patch Third Party Advisory
https://issues.igniterealtime.org/projects/SMACK/issues/SMACK-739
Source: cve@mitre.org
Issue Tracking Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4WXAZ4JVJXHMEDDXJVWJHPVBF5QCTZF/
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2016/12/22/12
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/95129
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://community.igniterealtime.org/blogs/ignite/2016/11/22/smack-security-advisory-2016-11-22
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://github.com/igniterealtime/Smack/commit/059ee99ba0d5ff7758829acf5a9aeede09ec820b
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/igniterealtime/Smack/commit/a9d5cd4a611f47123f9561bc5a81a4555fe7cb04
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://issues.igniterealtime.org/projects/SMACK/issues/SMACK-739
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4WXAZ4JVJXHMEDDXJVWJHPVBF5QCTZF/
Source: af854a3a-2127-422b-91ae-364da2661108

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.9 / 10.0
EPSS (Exploit Probability)
0.4%
60th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-362

Affected Vendors

igniterealtime fedoraproject

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